george g. kennard, west chester township, butler county, ohio

I am looking for the parents and any siblings of george g. kennard born c. 1795 in maryland, died in 1878 in west chester, butler county, ohio.he and his wife, jane thompson kennard are buried in union cemetery, scipio, butler county, ohio (on the indiana border).they had three children, mary ann, eliza jane and george w. kennard. i am a descendant of eliza jane. i have been unable to establish george g.'s parentage in maryland, when the family moved to ohio, etc.i would appreciate any help i can get.thanks so much.